73115285123 has 2 divisors, whose sum is σ = 73115285124. Its totient is φ = 73115285122.

The previous prime is 73115285077. The next prime is 73115285137. The reversal of 73115285123 is 32158251137.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73115285123 - 2¹⁴ = 73115268739 is a prime.

It is not a weakly prime, because it can be changed into another prime (73115285723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36557642561 + 36557642562.

It is an arithmetic number, because the mean of its divisors is an integer number (36557642562).

Almost surely, 2^73115285123 is an apocalyptic number.

73115285123 is a deficient number, since it is larger than the sum of its proper divisors (1).

73115285123 is an equidigital number, since it uses as much as digits as its factorization.

73115285123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 38.

The spelling of 73115285123 in words is "seventy-three billion, one hundred fifteen million, two hundred eighty-five thousand, one hundred twenty-three".